当一个线程进入一个对象的synchronized方法后，其他线程能进入此对象的其他synchronized方法吗

public class TestSync {

    public synchronized void run1() {

        for (int i = 0; i < 10; i++) {

            System.out.println("execute run1");

            try {

                Thread.sleep(1000);

            } catch (InterruptedException e) {

                e.printStackTrace();

            }

        }

    }

    public synchronized void run2() {

        for (int i = 0; i < 10; i++) {

            System.out.println("execute run2");

            try {

                Thread.sleep(1000);

            } catch (InterruptedException e) {

                e.printStackTrace();

            }

        }

    }

    public static void main(String[] args) {

        final TestSync testSync = new TestSync();

        Thread thread1 = new Thread(new Runnable()

        {

            @Override

            public void run()

            {

                testSync.run1();

            }

        });

        Thread thread2 = new Thread(new Runnable()

        {

            @Override

            public void run()

            {

                testSync.run2();

            }

        });

        thread1.start();

        thread2.start();

    }

}